Cloakroom Toilet Extractor Fan Pipe

Joel21

New Member
Hi,

I'm looking to add a full width extension to a terrace property to create a kitchen diner. As part of this I want to add a toilet under the stairs (nicking a bit of the existing kitchen to accommodate the WC as there are various meters under the stairs currently).

FYI you enter the property at the front into the hallway, here you have the stairs on the right side of the hallway, the doors to front and back downstairs rooms to the left, and straight ahead is the door to the current kitchen. When the toilet has been added I am expecting the current kitchen door to be moved slightly further into the current kitchen to accommodate. In the new kitchen, which will run into the extension, the plan is to have a run of units on the right have side immediately as you enter, right down to the new exterior wall directly ahead, dead ahead as you enter there will be a window at the end of the room with a sink and a few more units along the back wall coming in from the right.

My main concern is that we will need to add an extractor fan into to downstairs toilet, but this will be approx 4-5m away from the exterior wall with potentially nowhere to hide the extraction pipe (apart from boxed in above the kitchens wall units). We are planning for the roof to be a flat roof, therefore hiding the pipe in the roof isn't an option (I don't believe, and it would still require boxing in until it reached the new extension anyway, where it could potentially be vented through the roof). I've done a few rough sketches with the current set up and what I want the space to look like - is there another way to run this extractor pipe or is above the wall units the only solution?

Thanks in advance for any help!
 

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Hi @Bob Rathbone thanks for the suggestion, really appreciate it

Hi @Jimbo there is nothing desperately wrong with it I guess, my thought was just that we'll have an extractor hood that will also be venting along that wall, so that will be an additional pipe to box in along with the toilet extractor fan one. For the cooker hood we'll get a converter to make it oblong pipe rather than the cylindrical ones to save a bit of space, but I was just wondering if there were any other options or whether above the cupboards was the only way

I take it in this instance, flat roof vs slanted roof for the extension (which would start just before halfway on the run of wall cupboards) would make no difference as there would have to be a run above the units before it could go into the roof (until it hits where the original outside wall is/new roof starts)
 
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